evolutionThe process of biological change by which descendants come to differ from their ancestors
Definitions:
A process of gradual, peaceful, progressive change or development, as in social or economic structure or institutions
The gradual development of something, especially from a simple to a more complex form
naturalExisting in or caused by nature; not made or caused by humankind.
Definitions:
Existing in nature and not made or caused by people, regarding to a substance that an animal or plant produces
selectionThe process of choosing which forms of life will continue in the next generation
Definitions:
The action or fact of carefully choosing someone or something as being the best or most suitable
One that is chosen
speciationThe evolutionary process by which new biological species arise
Definitions:
The formation of new and distinct species in the course of evolution.
adaptationThe process of change by which an organism or species becomes better suited to its environment.
Definitions:
A change or the process of change by which an organism or species becomes better suited to its environment.